CN105610279B - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN105610279B CN105610279B CN201510760356.XA CN201510760356A CN105610279B CN 105610279 B CN105610279 B CN 105610279B CN 201510760356 A CN201510760356 A CN 201510760356A CN 105610279 B CN105610279 B CN 105610279B
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- Prior art keywords
- connector
- motor
- sensor
- control device
- port
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention provides a kind of motor, the port with maintenance, and the wiring not influence vulnerable to external interference.The motor includes bracket, and the bracket accommodates rotor and stator；Control device receiving portion, the control device receiving portion are located at the radial outside of bracket；Control device, the control device are located in control device receiving portion；Sensor accommodating portion, the sensor accommodating portion are located at the end with output end opposite side of bracket；Motor sensor, the motor sensor are installed on the end with the output end opposite side of rotary shaft；And connecting connector, the connecting connector connects motor sensor with control device, it is connected between control device receiving portion and sensor accommodating portion, connecting connector is located at the inside of sensor accommodating portion, sensor accommodating portion has the port in the axial direction with opening, and port and at least part of connecting connector are be overlapped in the axial direction.
Description
Technical field
The present invention relates to a kind of motors.
Background technique
In recent years, in order to make include the motor for the control device that motor is driven integral miniaturization, and propose
By the structure of control device and motor integrated.In this case, it is contemplated that in the inside pair of the motor configuration of integration
The connector for connecting motor and control device carries out wiring.The case where wiring is implemented in the inside of the motor configuration of integration,
In order to safeguard motor and control device, operation window can be set in motor.For example, in No. 5563513 bulletins of Japanese Patent No.
In electrically powered steering apparatus using same, discloses and the control circuit shell of receiving control circuit is installed in electric motor, and in control circuit shell
The structure of peripheral wall formation operation window.
Summary of the invention
In the motor described in patent document 1, since operation window is set to the peripheral wall of control circuit shell, it is therefore desirable to will use
It detours near motor axis of rotation to from peripheral wall in the wiring of connection rotational position sensor and control circuit.If wiring becomes
It is long, it is likely that there are in wiring electric current or signal etc. be easy to be influenced by external interference, to reduce rps
The case where precision of device.
The first purpose of one embodiment of the present invention is to provide a kind of port with maintenance, and wiring is not easy
By the motor of external interference effect.
Motor related according to an embodiment of the present invention, the motor include: rotary shaft, and the rotary shaft is along center
Axis direction extends and the end of side is as output end；Rotor, the rotor are fixed with rotary shaft；Stator, the stator position
In the radial outside of rotor；Bracket, the bracket accommodate rotor and stator；Control device receiving portion, the control device accommodate
Portion is located at the radial outside of bracket；Control device, the control device are located in control device receiving portion；Sensor accommodating portion,
The sensor accommodating portion is located at the end with output end opposite side of bracket；Motor sensor, the motor sensor peace
End loaded on the output end opposite side with rotary shaft；And connecting connector, the connecting connector connect motor
Sensor and control device.The inner space of control device receiving portion is connected to the inner space of sensor accommodating portion.Connection is used
Connector is located at the inside of sensor accommodating portion.Sensor accommodating portion has the port in the axial direction with opening.Port and company
It connects and is overlapped in the axial direction at least part of connector.
An embodiment illustrated by according to the present invention, the easy and convenient ground such as operator putting maintenance into practice.Further, it is possible to provide
A kind of wiring of the inside not motor vulnerable to the influence of external interference.
Detailed description of the invention
Fig. 1 is the perspective view for showing the motor of embodiment.
Fig. 2 is the perspective view for showing the motor of embodiment.
Fig. 3 is the side view of the motor of embodiment.
Fig. 4 is the A-A cross-sectional view in Fig. 3.
Fig. 5 is the cross-sectional view of the motor of first variation.
Fig. 6 is the side view of the motor of the second variation.
Fig. 7 is the B-B cross-sectional view in Fig. 6.
Fig. 8 is the perspective view for showing an example of motor sensor.
Fig. 9 is the plan view of port.
Figure 10 is the side view for bridging connector.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to motor involved in embodiments of the present invention.In addition, the scope of the present invention
It is not limited to the following embodiments and the accompanying drawings, any change can be implemented within the scope of the technical idea of the present invention.
Also, in the following figures, for easy understanding each structure, and there are make in actual structure and each structure
Scale bar or the different situation such as quantity.
Also, XYZ coordinate system in the accompanying drawings, for convenience's sake, is shown as three-dimensional orthogonal coordinate system, with Z axis side
It is parallel direction (the central axis side in the direction that is extended with central axis J shown in Fig. 2 with Y direction to for vertical direction
To), with X-direction for the direction orthogonal with both Y direction and Z-direction.Also, in the following description, with Y direction
Positive side (side+Y) be front side, with the negative side (side-Y) of Y direction be rear side.Also, as long as no particular/special requirement, below
In explanation, the radial radial direction for indicating rotary shaft 31.It is in the following description, circumferential to indicate rotation also, as long as no particular/special requirement
The circumferential direction of shaft 31.
Fig. 1 to Fig. 4 is the figure for showing the motor 10 of present embodiment.Fig. 1 and Fig. 2 is perspective view.Fig. 3 is in central axis
The side view observed on line direction.Fig. 4 is the A-A cross-sectional view in Fig. 3.
The motor 10 of present embodiment is, for example, switching magnetic-resistance (Switched Reuctance) motor.Motor 10 is, for example,
It is installed in the motor of electric vehicle or fuel-cell vehicle etc..As shown in Figures 1 to 4, motor 10 includes bracket 20；Control device holds
Receive portion 40a, the control device receiving portion 40a is installed on the vertical direction upper side (side+Z) of bracket 20；And sensor
Receiving portion 60a, the sensor accommodating portion 60a are installed on the end face of the rear side (side-Y) of bracket 20.
Motor 10 has rotary shaft 31, rotor 30, stator 32, fore bearing 61, rear bearing 62 and control device 40.
Rotary shaft 31 is fixed on rotor 30, and rotor 30, stator 32, fore bearing 61 and rear bearing 62 are contained in bracket 20.
Fore bearing 61 can rotate the bearing of rotary shaft 31 with rear bearing 62.Control device 40 is installed on bracket 20 and is located at control dress
It sets in receiving portion 40a.
[bracket]
Bracket 20 has bracket body portion 21, base portion 28a, 28b and cover 25.Bracket body portion 21 accommodates rotor 30
And stator 32.Base portion 28a, 28b is respectively from the front side (side+Y) in bracket body portion 21 and the end face court of rear side (side-Y)
To extending radially out.When lying in motor 610 on floor or on platform, base portion 28a, 28b supports motor 610.
Cover 25 includes the canister portion 25a of tubular, and cartridge 25a is axially extended；And flange part 25b, the flange
Portion 25b extends from the end of the front side (side+Y) of canister portion 25a towards radial outside.Flange part 25b is fixed on base portion 28b.It is convex
The part of (side-Z) becomes the foot that motor 10 is supported together with base portion 28b on the downside of the vertical direction of edge 25b.In cover 25
Equipped with rear bearing maintaining part 24.Rear bearing 62 is kept by rear bearing maintaining part 24.
Various external component bindiny mechanisms are equipped in bracket body portion 21.For example, the two sides (+X in bracket body portion 21
Side, the side-X) it is equipped with bolt hole portion 621a, 621b, described bolt hole portion 621a, 621b and the frame for carrying hook or physical device
Frame fastening.It is equipped in a side (side+X) in bracket body portion 21 and flows into side-connector 54a, outflow side-connector 55a.Stream
Enter side-connector 54a and outflow side-connector 55a connect (illustration omitted) with water pump.
Bracket body portion 21 has the bearing cage 21b for keeping fore bearing 61.Bearing cage 21b includes fore bearing
Keep hole portion 23；And output shaft hole 26, the output shaft hole 26 are set to the front side (side+Y) that fore bearing keeps hole portion 23.Before
Bearing keeps hole portion 23 to be connected to output shaft hole 26, and keeps hole portion 23 and output shaft hole 26 to constitute through hole by fore bearing, institute
It states through hole and penetrates through bearing cage 21b along central axial direction (Y direction).
It keeps being equipped with stage portion 27 between hole portion 23 and output shaft hole 26 in fore bearing, the internal diameter of the stage portion 27 is in the past
Side (side+Y) becomes larger to rear side (side-Y).That is, fore bearing keeps the internal diameter of hole portion 23 bigger than the internal diameter of output shaft hole 26.
Fore bearing 61 keeps hole portion 23 to keep by fore bearing.
Cylindric rotor frame portion 22 is equipped with inside bracket body portion 21.Rotor frame portion 22 supports stator 32.It is fixed
Subframe portion 22 bracket body portion 21 radially inner side, it is opposed radially with bracket body portion 21 across gap.
In bracket 20 equipped with the cooling flowing path 50 to circulate for refrigerant, the inflow side-connector 54a being connect with cooling flowing path 50
And outflow side-connector 55a.Cooling flowing path 50 includes control device cooling flowing path 51 and stator cooling flowing path 52.As energy
It is enough to be not specifically limited in the range of cool down motor 10 in the refrigerant that cooling flowing path 50 circulates, such as water may be selected.
[rotary shaft, rotor and stator]
As shown in figure 4, rotary shaft 31 is centered on central axis J.That is, rotary shaft 31 is along central axial direction (Y
Axis direction) extend.The end of the front side (side+Y) of rotary shaft 31 is prominent from bracket 20 via aftermentioned output shaft hole 26.Rotation
Axis 31 is that can be pivoted by fore bearing 61 and the bearing of rear bearing 62.
Rotor 30 surrounds rotary shaft 31 around axis, and is fixed on rotary shaft 31.It says in more detail, rotor 30 has along center
The through hole (illustration omitted) of axis direction (Y direction) perforation.Rotary shaft 31 passes through the through hole of rotor 30.Rotor 30 passes through
The medial surface of through-hole, such as the lateral surface by the holding rotary shaft 31 such as indentation.Rotary shaft 31 is fixed on rotor 30 as a result,.
Stator 32 is located at the radial outside of rotor 30.Stator 32 surrounds rotor 30 around axis.Stator 32 have core-back 33,
Teeth portion 34 and coil 35.
The shape of core-back 33 is in the cylindrical shape concentric with rotary shaft 31.The face of the radial outside of core-back 33 is i.e. fixed
The lateral surface 32a of son 32 is chimeric with the face of the radially inner side in rotor frame portion 22.
Multiple teeth portion 34 are radially extended from the inner circumferential of core-back 33 towards rotary shaft 31.Multiple teeth portion 34 are carried on the back in iron core
The inner peripheral surface in portion 33 is circumferentially configured with impartial interval.Coil 35 is by forming Wire-wound in each teeth portion 34.
[control device]
As shown in figure 4, control device 40 is installed on the upside of the vertical direction in bracket body portion 21 (side+Z).Control device 40
The electric power from power supply (illustration omitted) supply stator 32 is adjusted, and controls the rotation of rotor 30.Control device 40 has inverter
Portion 41, capacitor unit 42, drive substrate 46 and control base board 47.
Control base board 47 is for example based on the rotation command signal from the epigyny device for being installed with motor or come spinning biography
The input signal of sensor controls PWM (pulsewidth modulation) signal.Also, the rotation of the control rotor 30 of control base board 47.Drive substrate
46 be, for example, the substrate for being assembled with inverter driving circuit.Inverter driving circuit is based on the control letter inputted from control base board 47
Number, PWM (pulsewidth modulation) signal provided to inverter 41 is provided.In the accompanying drawings, by drive substrate 46 and control base board 47
It is set as separated substrate, but can also be a substrate.
Although the illustration is omitted, inverter 41 is for example made of three inversion elements.Inversion element is, for example, Sic
(silicon carbide) inversion element.In addition, as inversion element, it is possible to use (insulated gate is double by GaN (gallium nitride) inversion element, IGBT
Bipolar transistor) or MOS-FET (metal oxide semiconductcor field effect transistor) etc., it is not particularly limited.
42 with the aid of capacitor cooling end 44 of capacitor unit is installed on bracket body portion 21.Capacitor cooling end 44 has bearing
Plate 44a and cooling fin 44b positioned at the lower surface (side-Z) of support plate 44a.Support plate 44a is plate, and is fixed on bracket
The upper surface 21e of body part 21.Capacitor unit 42 is installed in the upper surface of support plate 44a.With support plate 44a front just
When (Z-direction) observes support plate 44a on the direction of friendship, the position of the installation capacitor unit 42 on support plate 44a is and heat dissipation
The position of piece 44b overlapping.
The lower surface by 21 side of bracket body portion (side-Z) of cooling fin 44b from support plate 44a are prominent and are equipped with multiple.It is more
A cooling fin 44b is prominent from support plate 44a to 51 side of control device cooling flowing path (side-Z), and configures in the cooling stream of control device
In road 51.Support plate 44a extends from the part of bearing capacitor unit 42 to rear side (side-Y).In the position rearward of support plate 44a
Through hole 44c is installed.
Inverter 41 is installed on inverter cooling end 43.Inverter cooling end 43 is installed on capacitor cooling end 44.
That is 41 inverters cooling end 43 of inverter and capacitor cooling end 44 are installed on bracket body portion 21.
Inverter cooling end 43 has support plate 43a and the cooling fin positioned at the lower surface (side-Z) of support plate 43a
43b.Support plate 43a is tabular.Support plate 43a is fixed on the upper surface of the support plate 44a of capacitor cooling end 44.
In (Z-direction) observation support plate 43a on the direction orthogonal with the front of support plate 43a, support plate 43a's is upper
The position of the installation inverter 41 on surface is the position Chong Die with cooling fin 43b.Cooling fin 43b is passed through by support plate 44a's
Through-hole 44c is configured in control device cooling flowing path 51.
[control device receiving portion, sensor accommodating portion]
As shown in Figures 1 to 4, control device receiving portion 40a is the cover member of downside (side-Z) in the box-like of opening.Control
Device receiving portion 40a surround be installed on the upper surface of the control device 40 of (side+Z) on the upside of the vertical direction in bracket body portion 21 with
And side.Control device receiving portion 40a is also stretched out and is extended to towards rear side (side-Y) than the inverter 41 of control device 40
On the upside of the vertical of sensor accommodating portion 60a.
Sensor accommodating portion 60a is the hollow shell for being set to the rear side (side-Y) in bracket body portion 21.Sensor holds
The portion 60a that receives has the cover 25 of bracket 20 and is installed on the sensor wrap 65 of the rear side (side-Y) of cover 25.Sensor pocket
Portion 60a has the port 69 for being set to sensor wrap 65.
Sensor accommodating portion 60a has the opening portion 60b towards (side+Z) opening on the upside of vertical direction.Sensor accommodating portion
The inner space of 60a is connected to the inner space opening 60b of control device receiving portion 40a.Sensor accommodating portion 60a
Inner space be at least space that covers of partes tegmentalis 25 and sensor wrap 65.The inner space of control device receiving portion 40a
It is the space at least covered by bracket body portion 21 and control device receiving portion 40a.It is filled in sensor accommodating portion 60a and control
The interconnecting part of receiving portion 40a connection is set configured with wiring.
The motor sensor 60 for the rotation for detecting rotor 30 is accommodated in the inner space of sensor accommodating portion 60a.Horse
Permanent magnet 67 is included up to sensor 60, the permanent magnet 67 is installed on the rear side end of rotary shaft 31；Hall element 64, it is described
Hall element 64 is opposed with permanent magnet 67；And sensor circuit board 66, the sensor circuit board 66 are equipped with Hall element
64。
Sensor circuit board 66 is supported by the face (face of the side+Y) of the inside of sensor wrap 65.Hall element 64 is assemblied in biography
The front side (face of the side+Y) of sensor circuit board 66.Hall element 64 is opposed with permanent magnet 67 in the axial direction.Permanent magnet 67 is in radial direction
On be magnetized or be magnetized out single side multistage.In addition, Hall element 64 is not assemblied in the front side of sensor circuit board 66 necessarily.
As long as Hall element 64 can read the variation in the magnetic field of permanent magnet 67.Hall element 64 also may be mounted at sensor circuit
The rear side (face of the side-Y) of plate 66.
Be equipped with the first connector 71 and the second connector 72 in sensor circuit board 66, first connector 71 with
And second connector 72 by constituting towards rear side multiple pins outstanding from rear side (side-Y) respectively.First connector 71 be with
The terminal that control base board 47 is electrically connected.Second connector 72 is the terminal being electrically connected with Hall element 64.That is, second connects
Device 72 is connect to connect with motor sensor.Bridge joint connector 75 is installed on the first connector 71 and the second connector 72.
Sensor circuit board 66 is electrically connected by wiring 68 with control base board 47.It extends out from sensor circuit board 66
Wiring 68 passes through the opening portion 60b of sensor accommodating portion 60a, extends into control device receiving portion 40a.It is accommodated in control device
In portion 40a, wiring 68 is electrically connected with control base board 47.
First connector 71 is electrically connected with wiring 68.In this case, by the end section structure of wiring 68
At the first connector 71.Wiring 68 penetrates through sensor circuit board 66 from front side (side+Y) to rear side (side-Y), and is fixed on biography
Sensor circuit board 66.First connection is constituted by the end section of the outstanding wiring 68 in the face of the rear side from sensor circuit board 66
Device 71.
First connector 71 can also be made of with wiring 68 seperated component.For example, the first connector 71 is to be assemblied in sensing
The connecting element of device circuit board 66.Above-mentioned connecting element can also be electrically connected with wiring 68.Connecting element and wiring 68
Both it can be connected, can also be directly connected to by the printed wiring on sensor circuit board 66.
First connector 71 can not also be assemblied in sensor circuit board 66.For example, the end of wiring 68 or be installed on is matched
The connecting element of the end of line 68 can also be configured in the position be overlapped in the axial direction with port 69.
As shown in Figure 1 to Figure 3, port 69 includes: opening portion 69a, and the opening portion 69a is in the axial direction by sensor wrap 65
Perforation；And connector cover 69b, the connector cover 69b closed peristome 69a.Connector cover 69b can be removed.In this implementation
In the case where mode, opening portion 69a and connector cover 69b are radially for the substantially rectangular of long side, and relative to water
It square is arranged obliquely to (X-direction).
In this case, it is equipped in the face (face of the side-Y) in the outside of sensor wrap 65 towards rear side (- Y
Side) rectangle outstanding frame portion 65a, the inside of frame portion 65a be equipped with opening portion 69a.Connector cover 69b is installed on frame portion 65a
Rear side (side-Y) end.Therefore, port 69 is in sensor wrap 65 towards rear side protrusion outstanding.
As shown in figure 4, the inside in port 69 is configured with connecting connector 80.In Fig. 4, in cuing open for sensor wrap 65
The part of view shows the internal structure of port 69.Connecting connector 80 includes the first connector of sensor circuit board 66
71 and second connector 72；And the bridge joint that can be installed on and can be unloaded from the first connector and the second connector 72
Connector 75.Bridge joint connector 75 is electrically connected with the first connector 71 and the second connector 72.Connecting connector 80 has machine
The interconnecting piece 605a of tool connecting bridge connecting connector 75 and the first connector 71.Also, connecting connector 80 has mechanical connection
Bridge the interconnecting piece 605b of connector 75 and the second connector 72.
As shown in Figure 3 and 4, a part of sensor circuit board 66 is located in the 69a of opening portion.Specifically, sensing
Region configured with the first connector 71 and the second connector 72 in device circuit board 66 with opening portion 69a is Chong Die in the axial direction matches
It sets.That is, being equipped with the second connector 72 in sensor circuit board 66.At least part of second connector 72 is in axial direction
It is upper Chong Die with port 69.Moreover, first connector 71 and the second connector 72, and first can also be assembled in sensor circuit board 66
Connector 71 and the second connector 72 overlap with port 69 in the axial direction.
Bridge joint connector 75 includes the first terminal connecting with the first connector 71 and connect with the second connector 72
Second terminal.Bridging connector 75 at least has the function of 72 short circuit of the first connector 71 and the second connector.Bridge joint connection
Device 75 is such as the connector that can also be circuit with except circuit is interfered.Bridge connector 75 with the first connector 71 and the
In the state of the connection of two connectors 72, it is housed inside the inside of connector cover 69b.
As shown in figure 3, port 69 is configured relative to the center O of rotary shaft 31 in the position being staggered to upside (side+Z).By
This, configures center O configuration of the connecting connector 80 in port 69 apart from rotary shaft 31 close to 40 side of control device
Position.Therefore it can shorten the wiring 68 between connection connecting connector 80 and control device 40, so as to reduce pair
The external interference of wiring 68.
Also, as shown in Figure 3 and 4, in port 69, the first connector 71 configuration connecting with control device 40 exists
Than the position for the second connector 72 upper (side+Z) being connect with motor sensor 60.The structure can cross shortening connection control dress
Set 40 and first connector 71 wiring 68.As a result, can reduce wiring 68 is influenced by external interference.
In the motor 10 of above explained present embodiment, the face of the rear side of sensor accommodating portion 60a (side-Y
Face) it is equipped with port 69, connecting connector 80 is configured in port 69.With this configuration, in maintenance, operator etc., which passes through, to be torn open
Lower connector cover 69b, and bridge joint connector 75 is removed, the terminal of the first connector 71 and the second connector 72 can be made to expose
Come.Therefore, check device etc. can be connected to the first connector 71 and the second connection by shirtsleeve operation by operator etc.
Device 72.As a result, whether operator etc. can efficiently implement to confirm control device 40 or motor sensor 60 by normal defeated
Equal maintenance work out.
Also, in the present embodiment, the configuration of port 69 is in the axial end of motor 10.The structure can shorten from horse
The wiring of port 69 is arrived up to sensor 60.In the present embodiment, motor sensor 60 sensor circuit board 66 configuration with
The position that the opening portion 69a of port 69 is overlapped in the axial direction, connecting connector 80 and Hall element 64 are assemblied in shared base
Plate.Therefore, it shortens from motor sensor 60 to the wiring lengths of connecting connector 80, so as to inhibit external interference to horse
Up to the influence of sensor 60.As a result, being formed to accurately control the motor of the rotation of motor.
Also, in the present embodiment, connecting connector 80 is housed inside the inside of port 69, motor sensor 60 with
Control device 40 is connected in the inside of motor 10.That is, the wiring and connector of the inside connection of motor 10 are not
It is exposed to external structure.According to this structure, the wiring of the receiving and transmitting signal not influence vulnerable to external interference.Therefore, it is being installed with
The limitation of motor configurations is not easily susceptible in the epigyny device of motor.
The structure of the motor 10 of present embodiment is suitble to SR motor.SR motor is preferred for requiring high-speed rotating device.
Or it is used as and drives main motor.In the case where the main motor of driving, motor output becomes larger.Like this, for requiring
In the device of motor high speed rotation and high current, due to needing to switch high current in inverter high speed, it is easy to produce height
Frequency interferes.In view of this, have in the motor of present embodiment 10 and be not easy in motor sensor 60 by external interference shadow
Loud structure.Therefore, in the high speed rotation region for being easy to produce High-frequency Interference, even if in the case where making to drive SR motor,
It is able to suppress sensor accuracy decline.
In the motor 10 of present embodiment, various external component bindiny mechanisms are equipped in the side in bracket body portion 21
(bolt hole portion 621a, 621b, flowing into side-connector 54a, outflow side-connector 55a).Also, the axial direction in bracket body portion 21
Both ends be equipped with base portion 28a, 28b.Here, if it is considered that the port of maintenance to be arranged in the structure of the circumferential surface of motor 10,
Then for operator is equal, above-mentioned external component connection structure, which will be constituted, to be hindered, so that operation becomes difficult.It is directed to
This, in the motor 10 of present embodiment, since port 69 is set to the axial end face of motor 10, for operator,
Above-mentioned external component bindiny mechanism will not constitute obstruction.
In addition, in the present embodiment, connecting connector 80 (the first connector 71, the second connector 72, bridge joint connection
Device 75) it is whole be set as configuring the structure in port 69, as long as but the interconnecting piece in connecting connector 80 configure extremely
Few position be overlapped in the axial direction with port 69.That is, a part of the first connector 71 or the second connector 72
Also it may extend into the outside of port 69.
The specific structure of connecting connector 80 shown in present embodiment is an example.First connector 71,
Two connectors 72 and the connector shape for bridging connector 75 can match according to connection motor sensor 60 and control device 40
Line number amount etc., using various shapes.
In the present embodiment, first connector 71 and the second connector 72 are connected using using bridge joint connector 75
Structure, however, it is possible to the structure being directly connected to using the first connector 71 and the second connector 72.In this case, may be used
The connecting element being connected to each other is used in the first connector 71 and the second connector 72.Even if being directly connected to the first connection
In the case where device 71 and the second connector 72, the interconnecting piece of connector is also deployed in port 69.
(first variation)
First variation is relative to the difference of above embodiment: the configuration status of Hall element and permanent magnet is not
Together.In addition, marking identical symbol etc. for convenience's sake, therefore sometimes about structure identical with above embodiment
Omit their description.
Fig. 5 is the cross-sectional view for showing the motor 510 of first variation.As shown in figure 5, motor 510 is after rotary shaft 31
The end of side (side-Y) has motor sensor 60A.Motor sensor 60A includes cricoid permanent magnet 67A, the permanent magnet
67A is installed on the end circumferential surface of rotary shaft 31；Hall element 64A, the Hall element 64A and permanent magnet 67A is right radially
It sets；And sensor circuit board 66, the sensor circuit board 66 are equipped with Hall element 64A.With the side changed in the circumferential
Formula magnetizes the magnetic pole of permanent magnet 67A out.
Although the illustration is omitted in Fig. 5, first, which is equipped with, in the face of the rear side (side-Y) of sensor circuit board 66 connects
Connect device 71 and the second connector 72.Bridge joint connector 75 is connect with the first connector 71 and the second connector 72.Bridge joint connects
Device 75 is connect to be housed inside in port 69.
In the motor 510 of the first variation with above structure, rotor can be detected by motor sensor 60A
30 rotation, the motor sensor 60A and permanent magnet 67A are opposed radially.Also, even if in the motor of first variation
In 510, the function and effect based on the structure common with the motor 10 of above embodiment can be also obtained in the same manner as motor 10.
(the second variation)
Second variation is relative to the difference of above embodiment: the type of motor sensor is different.In addition, closing
In structure identical with above embodiment, identical symbol etc. is marked for convenience's sake, therefore is omitted sometimes to them
Explanation.
Fig. 6 is the side view of the motor of the second variation.Fig. 7 is the cross-sectional view of the line B-B along Fig. 6.Fig. 8 is to show second
The perspective view of one example of the motor sensor in variation.Fig. 9 is the plan view of the port in the second variation.
The motor 610 of second variation has the motor sensor 660 for being housed inside sensor accommodating portion 60a.Second
In variation, motor sensor 660 is that rotation becomes device.As shown in figure 8, motor sensor 660 has rotor 91, stator 92, insulation
Part 93 and wiring 95.Motor sensor 660 is embedded into the recess portion 24a of rear bearing maintaining part 24 fixed.
Rotor 91 is cricoid component.Rotor 91 is pressed into the base end portion of rotary shaft 31, and the rotary shaft 31 is from rear
The rear bearing 62 that bearing cage 24 is kept is prominent towards outside (rear side).Stator 92 is to configure across minim gap in rotor 91
Around cylindric component.Stator 92 can be wholely set with insulating part 93.The component that insulating part 93 is made of resin, and prop up
Hold stator 92.More wirings 95 are connect with stator 92.Wiring 95 extends from the rear side (side-Y) of insulating part 93 towards rear side.It is fixed
Son 92 exports electric signal according to the rotation of rotor 91.The electric signal exported is sent to external device (ED) by wiring 95.
Wiring 616 is configured in the inner space of sensor accommodating portion 60a and the inner space of control device receiving portion 40a
And wiring 619.Wiring 616 is the wiring for connecting control device 40 and motor sensor 660.Wiring 619 is connection control dress
Set the wiring of 40 and stator 32.Wiring 619 is for providing the wiring of electric power from control device 40 to the coil of stator 32.
Connecting connector 605 is configured in the inside of port 69.Connecting connector 605 include the first connector 611,
Second connector 612 and bridge joint connector 615.First connector 611 is connect by wiring 616 with control device 40.Second
Connector 612 is connect by wiring 95 with motor sensor 660.Bridge joint connector 615 is connect with the first connector 611 and second
Device 612 connects, so that the first connector 611 and the second connector 612 are electrically connected.
Fig. 9 is the plan view of port 69.Figure 10 is the side view for bridging connector 615.Fig. 9 is shown connector cover 69b
The planar structure of the inside of port 69 after removing.
As shown in Fig. 7 and Fig. 9, the opening portion 69a in port 69 is configured with the connection for being fixed on the inner peripheral surface of frame portion 65a
Device substrate 618.The first connector 611 and two connectors 612 are fixed in connector base board 618.The present embodiment the case where
Under, what the face for being equipped with electronic component of the first connector 611 and the second connector 612 in connector base board 618 was extended
On direction, it is arranged across defined interval, and towards identical direction.
As shown in Figure 10, bridge joint connector 615 has the first terminal of body part 630, the one side for being set to body part 630
631 and Second terminal 632.First terminal 631 is the terminal connecting with the first connector 611.Second terminal 632 be and second
The terminal that connector 612 connects.First terminal 631 and Second terminal 632 with the first connector on connector base board 618
611 and second connector 612 it is corresponding as defined in positional relationship configuration.
Bridge joint connector 615 is connect with the first connector 611 and the second connector 612 simultaneously.Bridge 615 energy of connector
Enough insides that connector cover 69b is received into the state connecting with the first connector 611 and the second connector 612.Bridge joint connects
Connecing device 615 at least has the function of 612 short circuit of the first connector 611 and the second connector.Bridge joint connector 615 for example may be used
It is with the connector except circuits such as noise cancellation loops.
As shown in fig. 7, the position be overlapped in the axial direction with motor sensor 660 is arranged in port 69.Connect motor sense
The stator 92 of device 660 and the wiring 95 of the second connector 612 are axially extended from stator 92, and are connect with the second connector 612.
According to this structure, the configuration of connecting connector 605 is near motor sensor 660.Here, wiring 619 is from control device 40
High current is conveyed to stator 32.Due to wiring 95 and 619 separate configuration of wiring, the not radiation vulnerable to wiring 619 of wiring 95
The influence of interference.
Also, since port 69 and the stator 92 of motor sensor 660 overlap in the axial direction, thus operator etc. is also
It can be from 69 visual confirmation of port to stator 92.If constituted like this, operator etc. can be passed motor by port 69
660 putting maintenance into practice of sensor.
In addition, in this embodiment, connecting connector 605 (the first connector 611, the second connector 612, bridge joint connector
615) whole as configuring the structure in port 69, as long as but interconnecting piece 605a, 605b of connecting connector 605 match
It sets in position at least be overlapped in the axial direction with port 69.That is, the first connector 611 or the second connector 612
A part also may extend into the outside of port 69.
The specific structure of connecting connector 605 shown in this is an example.First connector 611, second connects
The connector shape for connecing device 612 and bridge joint connector 615 can match according to connect motor sensor 660 and control device 40
Line number amount etc., using various shape.
In this embodiment, using connecting the first connector 611 and the second connector 612 using bridge joint connector 615
Structure, but the structure that the first connector 611 and the second connector 612 are directly connected to can also be used.Even in this case,
The interconnecting piece of a connector 611 and the second connector 612 is also disposed in port.
Even if can also obtain and be based on and above-mentioned embodiment party in the same manner as motor 10 in the motor 610 of the second variation
The function and effect of the common structure of the motor 10 of formula.
Also, in above embodiment and variation, as an example, using SR (switching magnetic-resistance) motor to horse
Up to being illustrated, but not limited to this.For example, motor of the invention could be applicable to other all well known inner-rotor types
Motor.Also, it is not particularly limited the purposes for applying motor of the invention.
Claims (17)
1. a kind of motor characterized by comprising
Rotary shaft, the rotary shaft extends along central axial direction, and the end of side is as output end；
Rotor, the rotor are fixed with the rotary shaft；
Stator, the stator are located at the radial outside of the rotor；
Bracket, the bracket accommodate the rotor and the stator；
Control device receiving portion, the control device receiving portion are located at the radial outside of the bracket；
Control device, the control device are located in the control device receiving portion；
Sensor accommodating portion, the sensor accommodating portion are located at the end with the output end opposite side of the bracket；
Motor sensor, the motor sensor are installed on the end with the output end opposite side of the rotary shaft；With
And
The motor sensor is connect by connecting connector, the connecting connector with the control device,
The inner space of the control device receiving portion is connected to the inner space of the sensor accommodating portion,
The connecting connector is located at the inside of the sensor accommodating portion,
The sensor accommodating portion has the port with opening, and the opening penetrates through the sensor accommodating portion in the axial direction
With the end face of output end opposite side,
The port and at least part of the connecting connector are be overlapped in the axial direction.
2. motor according to claim 1, which is characterized in that
The motor sensor includes:
Magnet, the magnet are installed on the rotary shaft；
Hall element, the Hall element are opposed with the magnet；And
Sensor circuit board, the sensor circuit board are equipped with the Hall element.
3. motor according to claim 2, which is characterized in that
The connecting connector includes:
First connector, first connector are connect with the control device；
Second connector, second connector are connect with the motor sensor；And
Connector is bridged, the bridge joint connector connects first connector with second connector.
4. motor according to claim 3, which is characterized in that
Second connector, at least part and the end of second connector are equipped in the sensor circuit board
Mouth is overlapped in the axial direction.
5. motor according to claim 3, which is characterized in that
Be equipped with first connector and second connector in the sensor circuit board, first connector and
Second connector and the port are be overlapped in the axial direction.
6. the motor according to any one of claim 3 to 5, which is characterized in that
The port and first connector and second connector are be overlapped in the axial direction, the first connector configuration
Than second connector close to the side of the control device.
7. motor according to claim 1, which is characterized in that
The motor sensor is that rotation becomes device.
8. motor according to claim 7, which is characterized in that
The connecting connector includes:
First connector, first connector are connect with the control device；
Second connector, second connector are connect with the motor sensor；And
Connector is bridged, the bridge joint connector connects first connector with second connector.
9. motor according to claim 8, which is characterized in that
Second connector is connect with the wiring that the stator for becoming device from the rotation axially extends.
10. motor according to claim 8, which is characterized in that
The connecting connector, which has, to be connected the bridge joint connector and first connector and connect the bridge joint company
The interconnecting piece of device Yu second connector is connect,
It is Chong Die that the interconnecting piece of the connecting connector becomes at least part of device with the rotation in the axial direction.
11. the motor according to any one of claim 7 to 10, which is characterized in that
At least part that the port becomes device with the rotation is be overlapped in the axial direction.
12. motor according to claim 11, which is characterized in that
The port and at least part for the stator that the rotation becomes device are be overlapped in the axial direction.
13. the motor according to any one of claim 8 to 10, which is characterized in that
The port and first connector and second connector are be overlapped in the axial direction,
First connector configuration than second connector close to the side of the control device.
14. motor according to claim 1 or claim 7, which is characterized in that
The port from the rotary shaft towards the control device radially, configuration than the rotary shaft lean on the control
The position of device side processed.
15. motor according to claim 1 or claim 7, which is characterized in that
The bracket includes
Bracket body portion, the bracket body portion accommodate the rotor and the stator；And
Two base portions, the base portion is from the axial both ends in the bracket body portion towards the control device receiving portion
Opposite side is prominent,
The external component connection structure connecting with external component is equipped in the periphery in the bracket body portion.
16. motor according to claim 1 or claim 7, which is characterized in that
The motor is switched reluctance motor.
17. motor according to claim 1, which is characterized in that
The port includes the connector cover for closing the opening, and the connector cover can remove.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014229934 | 2014-11-12 | ||
| JP2014-229934 | 2014-11-12 | ||
| JP2015150692A JP6536256B2 (en) | 2014-11-12 | 2015-07-30 | motor |
| JP2015-150692 | 2015-07-30 |
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| Publication Number | Publication Date |
|---|---|
| CN105610279A CN105610279A (en) | 2016-05-25 |
| CN105610279B true CN105610279B (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510760356.XA Active CN105610279B (en) | 2014-11-12 | 2015-11-10 | Motor |
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| Country | Link |
|---|---|
| CN (1) | CN105610279B (en) |
| DE (1) | DE102015221632A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3052000B1 (en) * | 2016-05-31 | 2022-09-30 | Valeo Equip Electr Moteur | ROTATING ELECTRIC MACHINE EQUIPPED WITH A SENSOR FOR MEASURING THE ANGULAR POSITION OF THE DEPORTED ROTOR |
| JP7172635B2 (en) * | 2019-01-18 | 2022-11-16 | 株式会社デンソー | drive |
| DE102020207499A1 (en) | 2019-12-18 | 2021-06-24 | Robert Bosch Gesellschaft mit beschränkter Haftung | Stator for an electric motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257235A (en) * | 2007-03-01 | 2008-09-03 | 日本电产株式会社 | Motor |
| CN205389160U (en) * | 2014-11-12 | 2016-07-20 | 日本电产株式会社 | Motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3783667B2 (en) * | 2002-08-06 | 2006-06-07 | 三菱電機株式会社 | Rotating electrical machine and positioning method and positioning device for rotational position sensor thereof |
| JP2010051131A (en) * | 2008-08-22 | 2010-03-04 | Aisin Aw Co Ltd | Drive device |
-
2015
- 2015-11-04 DE DE102015221632.2A patent/DE102015221632A1/en active Pending
- 2015-11-10 CN CN201510760356.XA patent/CN105610279B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257235A (en) * | 2007-03-01 | 2008-09-03 | 日本电产株式会社 | Motor |
| CN205389160U (en) * | 2014-11-12 | 2016-07-20 | 日本电产株式会社 | Motor |
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| CN105610279A (en) | 2016-05-25 |
| DE102015221632A1 (en) | 2016-05-12 |
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